Patents by Inventor Sigeyosi Hatasa

Sigeyosi Hatasa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Resin compositions for peel-off coatings comprising a film-forming polymeric resin, an organo polysiloxane and a solvent
    Patent number: 4146511
    Abstract: The resin compositions for peel-off coatings comprise a certain film-forming polymeric resin, an organopolysiloxane having a polyoxyalkylene group as the side chain, and a solvent. The coating compositions applied to the surfaces of various shaped articles provide protective films thereon, and the films thus formed are tough and can exhibit an excellent peelability even after the lapse of a long period of time or after heating. The coating resin compositions are prepared by a method comprising heating the mixture of the above-named individual components at an elevated temperature, not at room temperature.
    Type: Grant
    Filed: November 23, 1977
    Date of Patent: March 27, 1979
    Assignees: Shin-Estu Chemical Co., Ltd., The Lion Dentifrice Co., Ltd.
    Inventors: Iwao Moriya, Toru Sema, Sigeyosi Hatasa